21983157674

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{65027}}^1$

素因数の和:65270

約数の個数: 32

約数和(自身を含む): 35705054016

約数和(自身を除く): 13721896342

約数列:

[1, 2, 17, 34, 61, 122, 163, 326, 1037, 2074, 2771, 5542, 9943, 19886, 65027, 130054, 169031, 338062, 1105459, 2210918, 3966647, 7933294, 10599401, 21198802, 67432999, 134865998, 180189817, 360379634, 646563461, 1293126922, 10991578837, 21983157674]

約数ペア:

[(1, 21983157674), (2, 10991578837), (17, 1293126922), (34, 646563461), (61, 360379634), (122, 180189817), (163, 134865998), (326, 67432999), (1037, 21198802), (2074, 10599401), (2771, 7933294), (5542, 3966647), (9943, 2210918), (19886, 1105459), (65027, 338062), (130054, 169031)]